ZooKeys 498: 5 1-9 | (20 | 5) A peer-reviewed open-access journal
doi: 10.3897/zookeys.498.9282 RESEARCH ARTICLE #$ZooKey S
http:/ /Z00 keys -pen soft.net Launched to accelerate biodiversity research
New distribution records for Canadian Aleocharinae
(Coleoptera, Staphylinidae), and new synonymies
for Trichiusa
Jan Klimaszewski', Benoit Godin’, David Langor’,
Caroline Bourdon', Seung-II Lee*, Denise Horwood?
| Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, 1055 du PE.PS., RO. Box
10380, Stn. Sainte-Foy, Québec, Quebec, Canada GIV 4C7 214A Thompson, Whitehorse, Yukon, Canada
YIA 0C43 Natural Resources Canada, Canadian Forest Service, Northern Forestry Centre, 5320-122 Street,
751 General Services Building, Edmonton, Alberta, Canada T6H 385 4 Department of Renewable Resources,
University of Alberta, 230E Earth Sciences Building, Edmonton, Alberta, Canada T6G 2H1
Corresponding author: Jan Klimaszewski (jan.klimaszewski@nrcan-rncan.gc.ca)
Academic editor: V. Assing | Received 22 January 2015 | Accepted 3 April 2015 | Published 21 April 2015
http://zoobank. org/FOOO7AC6-7F 1E-4CA7-A47E-FDC95F561568
Citation: Klimaszewski J, Godin B, Langor D, Bourdon C, Lee S-I, Horwood D (2015) New distribution records
for Canadian Aleocharinae (Coleoptera, Staphylinidae), and new synonymies for Trichiusa. ZooKeys 498: 51-91. doi:
10.3897/zookeys.498.9282
Abstract
Fifty-four new Canadian provincial records of aleocharine beetles (Staphylinidae), including three new
Canadian records and one new North American record, are presented. Of these, 33 are new provincial re-
cords for Saskatchewan, 14 for Alberta, two for British Columbia, three for Manitoba, two for the North-
west Territories and one for the Yukon Territory. The following are new Canadian records: Trichiusa pilosa
Casey [formerly reported from Nova Scotia and Ontario as T’ postica Casey], Acrotona recondita (Erichson)
and the adventive Palaearctic Atheta nigra (Kraatz), which is also a new North American record. Biono-
mics information and new locality records are provided. The following new synonyms of Trichiusa pilosa
Casey are established: 7 atra Casey, T’ monticola Casey, T’ parviceps Casey, and T. postica Casey. The
numbers of Aleocharinae remaining to be discovered in Canadian provinces and territories are discussed.
Keywords
Coleoptera, rove beetles, Staphylinidae, new distribution records, new synonymy, species richness, Canada,
Alberta, British Columbia, Manitoba, Northwest Territories, Saskatchewan, Yukon Territory
Copyright Her Majesty the Queen in Right of Canada. This is an open access article distributed under the terms of the Creative Commons Attribution Li-
cense (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
52 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Introduction
Staphylinidae (the rove beetles) are the most species-rich family of beetles in Cana-
da with 1652 species and subspecies recorded, 510 of which are in the Aleocharinae
(Bousquet et al. 2013). Aleocharinae are one of the poorest known subfamilies of
rove beetles in Canada, although enormous strides have been made in understan-
ding the taxonomy of this group in the last 20 years, especially in eastern Canada.
Western and northern Canada (Manitoba to British Columbia, and the three terri-
tories), however, remain poorly studied except for a few localities in coastal British
Columbia (Klimaszewski and Winchester 2002, McLean et al. 2009a, b) and in the
Yukon (Klimaszewski et al. 2008, 2012). Thus the full distribution of many species
recorded for Canada is not known because of the large gaps in sampling intensity.
Nonetheless, the fauna of these provincial and territorial jurisdictions is starting to
receive more attention as many studies in recent years have sampled aleocharines in
a large number of habitats, particularly in Alberta. Improved sampling of Staphyli-
nidae and especially Aleocharinae are needed to establish baseline biodiversity com-
position in areas of the country where ecosystems are undergoing rapid change due
to resource extraction and climate change. As well, this family and subfamily are
known to be exceptionally good ecological indicators and are increasingly being
used to assess ecosystem resistance and resilience in the wake of development and
environmental changes (Pohl et al. 2007, 2008, Langor, unpublished data). ‘This
paper contributes to improved baseline knowledge of the Aleocharinae in the Ca-
nadian west and north by providing 54 new provincial and territorial records for
51 species.
Materials and methods
All specimens in this study were dissected to examine the genital structures. Extracted
genital structures were dehydrated in absolute alcohol, mounted in Canada balsam on
celluloid micro-slides, and pinned with the specimens from which they originated.
Images of the entire body and the genital structures were taken using an image process-
ing system (Nikon SMZ 1500 stereoscopic microscope; Nikon Digital Camera DXM
1200K, and Adobe Photoshop software).
Morphological terminology mainly follows that used by Seevers (1978) and
Klimaszewski et al. (2011). The ventral side of the median lobe of the aedeagus is
considered to be the side of the bulbus containing the foramen mediale, the entrance
of the ductus ejaculatorius, and the adjacent ventral side of the tubus of the median
lobe with the internal sac and its structures (this part is referred to as the parameral side
in some recent publications); the opposite side is referred to as the dorsal part. In the
species descriptions, microsculpture refers to the surface of the upper forebody (head,
pronotum and elytra).
New distribution records for Canadian Aleocharinae... 53
Depository/institutional abbreviations
BGC Benoit Godin Collection, Whitehorse, Yukon, Canada.
LFC Natural Resources Canada, Canadian Forest Service, Laurentian Forestry
Centre, R. Martineau Insectarium, Quebec City, Quebec, Canada.
NoFC Natural Resources Canada, Canadian Forest Service, Northern Forestry
Centre, Arthropod Museum, Edmonton, Alberta, Canada.
Abbreviations of Canadian provinces and territories
AB — Alberta; NF — Newfoundland; PE — Prince Edward Island;
BC — British Columbia; NS — Nova Scotia; QC — Quebec;
LB — Labrador; NT — Northwest Territories; SK — Saskatchewan;
MB — Manitoba; NU — Nunavut; YT — Yukon Territory.
NB — New Brunswick; ON — Ontario;
USA state abbreviations follow those of the US Postal Service.
Discussion
Our knowledge of the diversity and distribution of Aleocharinae in Canada has in-
creased rapidly over the last ~25 years, faster than for other subfamilies of rove beetles
and for most (perhaps all) families of beetles. This increase in knowledge is attrib-
uted to a surge in sampling of this subfamily, particularly in eastern Canada, and to
a large amount of taxonomic activity (e.g., by Gusarov, Lohse, Klimaszewski, Web-
ster). Of the 463 native species of Aleocharinae recorded in Canada by Bousquet et
al. (2013), 32.8% (152 species) were described in the last 25 years. Many other previ-
ously described native species were first recorded in Canada over the last 25 years. Of
the 47 non-native species in Canada, 10 (21.3%) were detected in the last 25 years
(Klimaszewski et al. 2001, 2002, 2006, 2007a, 2010, 2011, Majka and Klimaszewski
2010, McLean et al. 2009a). Furthermore, recent reviews or revisions have resulted in
species keys for no less than 35 genera with Canadian representatives.
Despite the great improvements in taxonomic knowledge and availability of diag-
nostic resources (keys, illustrations, expertly identified reference material), sampling of
most of the microhabitats and regions of the country is still woefully incomplete. In
recent years, thanks to very active sampling in the Atlantic provinces (especially New
Brunswick and Newfoundland and Labrador) and in the Yukon Territory, coupled with
large efforts to identify material and publish findings (Klimaszewski et al. 2005, 2007b,
2008, 2009a, b, 2010, 2011, 2012, Majka and Klimaszewski 2010, Webster et al. 2009,
2012), those are undoubtedly the best-studied regions of the country in terms of the
aleocharine fauna. Some small areas of Quebec, Ontario, and coastal British Columbia
have also received intensive sampling coupled with expert identification of material in re-
cent years (Klimaszewski and Winchester 2002, Brunke et al. 2012). However, the large
54 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
majority of central, western and northern Canada remains poorly studied. Large num-
bers of aleocharines (and other staphylinids) have been collected over the last 25 years
as a result of numerous trapping studies in forests, native grasslands, agricultural lands,
and wetlands, especially in Alberta. This has resulted in the collection of an estimated
50,000—70,000 specimens of Aleocharinae, especially in epigaeic and saproxylic habitats
of forests, throughout much of the province. The vast majority of these specimens have
not been prepared or identified. The identification of a few specimens from one small
study in northwestern Alberta resulted in the 14 new provincial records reported herein.
Similarly, dozens of other sites have been subjected to intensive insect trapping, especially
in British Columbia, Quebec and northern Canada, resulting in collection of tens of
thousands of aleocharine specimens, the vast majority of which remain undetermined.
Virtually every insect collection in the country, and many in other countries, have hun-
dreds to many thousands of undetermined aleocharine specimens. Thus, even modest
efforts at determination are sure to reveal new provincial, territorial, national and North
American records, and undescribed species. Thus it is not surprising nor unusual that
examination of a relatively small number of specimens from a few sites in Saskatchewan
resulted in 33 new provincial records, including two new Canadian records and one new
North American record. This sampling effort more than doubled the previously known
species for the province, now numbering 53 species (Table 1).
Estimating the expected number of species of aleocharines in Canada is challen-
ging. One way to do this is to extrapolate based on the species richness patterns for
the family Carabidae (ground beetles) that is very well known and surveyed through-
out most of Canada. This family frequently co-occurs with aleocharines, especially in
epigaeic and saproxylic habitats. The jurisdictions where the aleocharine fauna is best
known are Yukon Territory, New Brunswick and Newfoundland and Labrador. For
Carabidae, the fauna of these three jurisdictions represent 20.5%, 34.3%, and 19.5%
of the total number (972) of carabid species/subspecies in Canada (Bousquet et al.
2013). If it is assumed that the known aleocharine fauna of each of these jurisdictions
represents a similar percent of the total Canadian fauna, then an extrapolation based
on the currently known fauna of Yukon, New Brunswick and Newfoundland and
Labrador estimates 630, 601 and 890 species in the Canadian fauna, respectively. It
is likely that the actual number falls somewhere in the middle of this range. Thus, it
is reasonable to use the average of these three estimates, 707, as the expected species
richness for the Canadian fauna, meaning that at least 200 more aleocharine species
are expected to be found in Canada. Likely a large proportion of these will be found in
British Columbia and southern Ontario and Quebec.
The expected species richness of aleocharines for each jurisdiction can also be estimated
using the proportion of the total Canadian carabid fauna in each territory and province
and multiplying that against the expected total Canadian aleocharine species richness (707)
(Table 2). By comparing this estimated species richness to the actual one (Bousquet et al.
2013), the percent of each jurisdictional fauna documented to date can be calculated. In
terms of the percent of fauna documented at the time Bousquet et al. (2013) was pub-
lished, the most poorly known jurisdictions were Saskatchewan (11%) and Prince Edward
New distribution records for Canadian Aleocharinae... 55
Table |. Species of Aleocharinae recorded from SK and their provincial and territorial distribution
within Canada and new records of species from AB, BC, MB and YT. Provinces and territories in bold
denote new records given in the present publication. Species marked with (+) indicate adventive species
and species marked with (*) are Holarctic.
Tribe ALEOCHARINI
Aleochara assiniboin Klimaszewski
BC, MB, ON, SK, YT
Aleochara bilineata Gyllenhal*
Aleochara bimaculata Gravenhorst
Aleochara gracilicornis Bernhauer
Aleochara lacertina Sharp
Aleochara lata Gravenhorstt
Aleochara sekanai Klimaszewski
Aleochara tahoensis Casey
Aleochara verna Say
Tinotus morion (Gravenhorst) +
Tribe ATHETINI
Acrotona recondita (Erichson) new country
record
AB, BC, MB, NB, NE NS, ON, PE, QC,SK
AB, BC, LB, MB, NB, NE NS, ON, QC, SK, NT
BC, MB, NB, NS, NT, ON, QC, SK
AB, BC, MB, NB, NE NS, ON, QC, SK
BC, MB, ON, QC, SK, YT
AB, LB, MB, NB, NT, ON, SK, YT: USA: AK
AB, BC, MB, NB, NS, NT; ON, SK, YT
AB, BC, LB, MB, NB, NE NS, ON, PE, QC, SK, YT: USA: AK
AB, BC, NB, NE NS, ON, QC, SK; USA: CT, NV
SK; USA: AR, CA, NH, NV, PA
Aloconota sulcifrons (Stephens) +
Atheta celata (Erichson) *
Atheta cryptica (Lohse, 1990)
Atheta dadopora C.G. Thomson *
Atheta fanatica Casey
MB, NB, NE ON, QC: USA: AL, IL, IN, KY, MO, NH, NY,
TN, VA, WV
BC, NB, NE NS, QC, SK; USA: AK
BC, NE QC, YT
AB, BC, LB, NB, NE NS, ON, PE, SK, YT; USA: AK, NY, PA,
RI
AB, BC, LB, NB, NS, QC, SK, YT; USA: AK, NV
Atheta graminicola (Gravenhorst) *
AB, BC, LB, MB, NB, NE NT, ON, QC, SK, YT; USA: AK,
OR
Atheta klagesi Bernhauer
Atheta longicornis (Gravenhorst) t
Atheta nigra (Kraatz) + new North American
record
Atheta platonoffi Brundin*
AB, BC, NB, NE NS, ON, PE, QC, SK, YT; USA: IA, ME,
MN, NJ, NY, PA
BC, NB, NE NS, QC, SK; USA: CA, MN
SK
AB, BC, LB, NB, NE NS, ON, SK, YT; USA: AK
Atheta prudhoensis (Lohse)
BC, LB, NB, NE NS, ON, QC, SK, YT; USA: AK, VT
Atheta pseudosubtilis Klimaszewski & Langor
AB, LB, NB, NE QC
Atheta ventricosa Bernhauer
AB, BC, LB, NB, NE NS, ON, QC, SK, YT; USA: AK, DC,
NC, NJ, NY, PA, VT
Boreophilia davidgei Klimaszewski & Godin
Boreophilia islandica (Kraatz)*
Boreostiba parvipennis (Bernhauer)
Dinaraea pacei Klimaszewski & Langor
Dinaraea worki Klimaszewski & Jacobs
Liogluta aloconoides Lohse
Lypoglossa franclemonti Hoebeke
AB, YT
AB, NE NT, NU, YT; USA: AK; Palaearctic: Europe, Asia
(Holarctic species)
AB, LB, NE NT, QC, YT; USA: AK, NH
AB, BC, LB, NB, NE QC, YT; USA: AK
AB, QC
AB, LB, NE NS, YT
AB, MB, NB, NE NS, NT; ON, QC, SK, YT; USA: NY, VT
Philhygra botanicarum (Muona) *
BC, LB, NB, NE NS, ON, SK, YT
Philhygra clemens (Casey)
MB, NB, NS, ON, QC, YT; USA: WI
Philhygra jarmilae Klimaszewski & Langor
NB, NE ON, SK, YT
Philhygra ripicoloides Lohse
NE NT, SK, YT
56 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Philhygra rostrifera Lohse
LB, NT, SK, YT; USA: AK
Philhygra sinuipennis Klimaszewski & Langor
NB, LB, NE SK, YT
Philhygra terrestris Klimaszewski & Godin
SK, YT
Schistoglossa camp belli Klimaszewski
AB, BC
Schistoglossa carexiana Klimaszewski
Schistoglossa hampshirensis Klimaszewski
Seeversiella globicollis (Bernhauer)
Trichiusa pilosa Casey new country record
BC, SK?
AB, NB, QC; USA: NH
AB, BC, NB, NE NS, ON, QC, SK; USA: AZ, CO, ID, MN,
MT, NH, SD, WI; Mexico; Guatemala
AB, BC, NS, ON; USA: ID, IN, KS, OH, RI
under this name
Tribe FALAGRINI
Falagria dissecta Exichson AB, BC, MB, NB, NS, ON, QC; across USA
Tribe GYMNUSINI
Gymnusa campbelli Klimaszewski MB, NB, NE NT ON, QC, SK, YT; USA: AK
Tribe HOMALOTINI
Gyrophaena criddlei Casey LB, MB, NB, ON, SK, YT
Gyrophaena insolens Casey BC, LB, MB, NB, NE ON, SK; USA: MI
Gyrophaena uteana Casey AB, BC, NB, ON, QC, SK; USA: CA, CO, UT
Homalota plana (Gyllenhal) + AB, NB, NE NS; USA: AK; Palaearctic: Europe, Asia
Tribe LOMECHUSINI
Xenodusa reflexa (Walker) AB, BC, MB, NB, NS, QC, ON, SK
Tribe MYLLAENINI
Wipillasiararcan tose No ee NS, ON, QC, SK; USA: AL, FL, IA, IL, MA,
Weliendesetinis Case AB, BC, LB, MB, NB, NE NS, NT, ON, QC, SK, YT; USA:
AK, ID, MA, MN, WI
Tribe OXYPODINI
Cratarea suturalis (Mannerheim) +
Devia prospera (Erichson) *
Gnypeta caerula (C.R. Sahlberg) *
BC, LB, NB, NS, ON, SK; USA: IL, MA, MO, PA, SC, VA,
VT; Palaearctic region
AB, BC, LB, MB, NB, NT; ON, SK, YT; USA: AK, CO, MI,
MN, NM, OR, SD, UT, WA, WY; Palaearctic: Europe, Asia
AB, BC, LB, MB, NB, NE NS, NT, ON, PE, QC, SK, YT;
USA: AK
Gnypeta carbonaria (Mannerheim)
AB, MB, NB, NE NT, ON, QC, SK; USA: AK
Gnypeta sellmani Brundin
LB, MB, NE NT; QC, SK, YT; USA: AK
Ocyusa canadensis Lohse
NB, NE ON, SK, YT; USA: AK
Oxypoda grandipennis (Casey)
Oxypoda hiemalis Casey
Oxypoda lacustris Casey
Oxypoda orbicollis Casey
Oxypoda pseudolacustris Klimaszewski
Tachyusa obsoleta Casey
Tribe PLACUSINI
Placusa incompleta Sjoberg +
Placusa pseudosuecica Klimaszewski
Placusa tachyporoides (Waltl)
AB, BC, LB, NB, NE NS, ON, QC, SK, YT; USA: AK, NH
AB, LB, NB, NE NS, NT, ON, QC; USA: AK
AB, BC, LB, MB, NB, NE, NS, NT; ON, QC, SK, YT; USA: AK
AB, LB, NB, NS, ON, QC, SK, YT: USA: W1
AB, NB, NE NS, ON, QC, SK
BC, NB, SK
AB, BC, NB, NE NS, ON, QC; USA: WA; Palaearctic: Europe
AB, BC, ON, QC
AB, BC, NB, NS, ON, QC; Palaearctic: Europe
Number of species: 67 (33 new records for
SK, 14 for AB, 2 for BC, 3 for MB, 2 for
NT, 1 for YT). 51 species representing 54
new provincial records.
7 adventive and 4 Holarctic species
57
New distribution records for Canadian Aleocharinae...
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58 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Island (19%), followed by Manitoba, Alberta, Northwest Territories, and British Columbia
(Table 2). With the 33 new records provided for Saskatchewan in this paper, the percent
of expected fauna documented has now risen to 24%. In terms of the expected number
of species remaining to be documented, the three prairie provinces and British Columbia
each have about 200 species that are yet to be documented, and Ontario and Quebec each
have about 150 species to be discovered. Despite the enormous advances in documenting
Aleocharinae diversity in Canada over the last 2-3 decades, clearly much remains to be done.
New records
ALEOCHARINI Fleming
Aleochara (s. str.) sekanai Klimaszewski
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: LB, MB, NB, NT, ON, SK, YT; USA: AK
New provincial record: Saskatchewan: Prince Albert, sandy beach, 53.9804°, -106.28°,
532 m, 4.VI.2013 (LFC) 1 female
Klimaszewski 1984, Gouix and Klimaszewski 2007, Majka and Klimaszewski 2010,
Klimaszewski et al. 2011, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, one female was captured on a sandy beach. In
Labrador, adults were collected in carrion traps and flight intercept traps in spruce-
moss forests (Klimaszewski et al. 2011). Elsewhere, adults were captured from animal
carcasses and some from Carex and moss near a lake (Klimaszewski 1984). The adults
were collected from May to August.
Tinotus morion Gravenhorst
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Palaearctic, adventive in North America
Distribution | Canada: AB, BC, NB, NE ON, QC, SK; USA: CT, NV
New provincial record: Saskatchewan: Maple Creek, horse manure, 49.9037°,
-109.5909°, 764 m, 2.[X.2012 (BGC) 1 male
Klimaszewski et al. 2002, 2005, 2011, Gouix and Klimaszewski 2007, Majka and
Klimaszewski 2010
New records
References
New distribution records for Canadian Aleocharinae... 59
Natural history. In Saskatchewan, one male was captured in horse manure. Else-
where, adults were collected from decaying organic matter, fungi, animal droppings,
human feces, and carrion (Klimaszewski et al. 2002). Larvae are parasitic on fly pupae
(Klimaszewski et al. 2002). The adults were collected from June to September.
ATHETINI Casey
Acrotona recondita (Erichson)
Figs 1-8
LECTOTYPE (male): Homalota recondita Erichson; USA: Pennsylv[anial],
Zimm|[erman] [on green rectangular card]; # 5472; Typus; recondita Er.; Lecto-
typus, male, Homalota recondita Erichson, V.I. Gusarov des. (not published); our
lectotype designation label as H. recondita; Acrotona recondita (Er.) V.I. Gusarov
2002 (ZMB) studied. PARALECTOTYPES: labelled as the lectotype, our paralec-
totype designation label (ZMB) 1 male, 2 females, 1 sex undetermined, specimen
partially damaged, studied.
Arisota apacheella Casey 1910: 135. Synonymized by Moore and Legner 1975: 371.
Arisota insueta Casey 1910: 134. Synonymized by Moore and Legner 1975: 371.
Arisota pomonensis Casey 1910: 135. Synonymized by Moore and Legner 1975: 371.
Arisota speculifer Casey 1910: 135. Synonymized by Moore and Legner 1975: 371.
Arisota tetricula Casey 1910: 134. Synonymized by Moore and Legner 1975: 371.
Arisota umbrina Casey 1910: 136. Synonymized by Moore and Legner 1975: 371.
Diagnosis. Body narrowly subparallel (Fig. 1), length 1.7—1.8 mm, dark brown with
two large reddish-brown spots on posterior sutural part of elytra and lighter colour
tarsi (Fig. 1); head, pronotum and elytra coarsely and sparsely punctate, punctures
large; pubescence sparse; integument strongly glossy; pronotum transverse, slightly
narrower than elytra, pubescence directed laterad from median line; elytra at suture
about as long as pronotum; abdomen subparallel. MALE. Median lobe of aedeagus
with oval bulbus and narrowly elongate and rounded tubus in dorsal view (Fig. 3),
in lateral view tubus slightly arcuate basally and straight apically (Fig. 2); internal
sac structures not pronounced; tergite VIII truncate apically (Fig. 4); sternite VII
slightly emarginated at apex and with broad distance between base of disc and ante-
costal suture (Fig. 5). FEMALE. Tergite VHI truncate apically (Fig. 7); sternite VIII
broadly arcuate apically (Fig. 8); spermatheca with narrowly elongate club-shaped
capsule angularly connected to narrow and long stem, together forming L-shaped
structure (Fig. 6).
60 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
1 1mm
Acrotona recondita
Figures 1-8. Acrotona recondita (Casey): | habitus in dorsal view 2 median lobe of aedeagus in lateral
view, and 3 in dorsal view 4 male tergite VIII 5 male sternite VIII 6 spermatheca in lateral view 7 female
tergite VIII 8 female sternite VII; 1, 6-8 based on female from Saskatchewan 2=5 based on male from
Pennsylvania.
New distribution records for Canadian Aleocharinae... 61
Distribution.
Origin Nearctic
Distribution | Canada: first record for Canada and SK; USA: AR, CA, NH, NV, NY, PA
New provincial record; Saskatchewan: Maple Creek, horse manure, 49.9037°, -109.5909°,
764 m, 2.[X.2012 (BGC) 1 female
References Erichson 1839, Bland 1865, Casey 1910, Moore and Legner 1975
New records
Natural history. The single female in Saskatchewan was captured in horse manure.
Remarks. ‘This species was originally described by Erichson (1839) as Homalota
recondita, from Pennsylvania. It clearly does not belong to Homalota and was subse-
quently listed by Moore and Legner (1975) as belonging to the subgenus Dimetrota
of Atheta. Gusarov, V.I. identified types of H. recondita as Acrotona. The inclusion of
this species in Acrotona needs confirmation because it has scarcly visible minute part of
pronotal hypomeron visible in lateral view.
Aloconota sulcifrons (Stephens)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Palaearctic, adventive in North America
Distribution | Canada: MB, NB, NE ON, QC,; USA: AL, IL, IN, KY, MO, NH, NY, TN, VA, WV
New provincial record: Manitoba, Winnipeg, Whittier Park, Red River bank dry litter,
49.8968, -97.1155, 226 m, 21.X.2009 (BGC) 1 female
Klimaszewski and Peck 1986 [under A. insecta], Gusarov 2003a, Webster et al. 2009,
Majka and Klimaszewski 2010, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, one female was captured in dry litter on the
banks of the Red River. In Newfoundland, adults were collected in mixedwood forest
litter, in litter in riparian zones along forested streams, a sandy lakeshore and a marsh.
Elsewhere, adults were recorded from organic debris, fungi and carrion, and often
found in caves in the USA (Klimaszewski and Peck 1986, Klimaszewski et al. 2011).
The adults were collected from June to October.
Atheta (Datomicra) celata (Erichson)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
62 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Distribution.
Origin Probably Holarctic
Distribution | Canada: BC, NB, NL, NS, QC, SK; USA: AK (as D. wrangleri Casey)
New provincial records: Saskatchewan: Prince Albert, sandy beach, 53.9804°, -106.28°,
New records | 532 m, 4.VI.2013 (BGC, LFC) 2 males, 1 female: Meadow Lake, wet spruce litter,
54.4144°, -108.8897°, 486 m, 7.VI.2013 (BGC, LFC) 1 male, 1 female
Casey 1910, Benick and Lohse 1974, Majka et al. 2006, Gouix and Klimaszewski 2007,
Majka and Klimaszewski 2008, 2010, Klimaszewski et al. 2011, Bousquet et al. 2013
References
Natural history. In Saskatchewan, adults were captured on a sandy beach and in
wet spruce litter. In Newfoundland, one specimen was collected in a carrion-baited
pitfall trap in a forest (Klimaszewski et al. 2011). In Nova Scotia, adults were collected
in nests of boreal and saw-whet owls (Klimaszewski and Majka 2007). The adults were
collected in July and August.
Atheta (Datomicra) dadopora Thomson
(for diagnosis and illustrations, see Klimaszewski et al. 2011; for synonyms, see Gusarov
2003a)
Distribution.
Origin Probably Holarctic
Distribution | Canada: AB, BC, LB, NB, NE NS, ON, PE, QC, SK, YT; USA: AK, NY, PA, RI
New provincial records: Saskatchewan: Meadow Lake, wet spruce litter, 54.4144°,
-108.8897°, 486 m, 7.VI.2013 (BGC, LFC) 1 male, 1 female; Prince Albert, poplar/spruce
litter, 53.9665°, -106.0652°, 538 m, 4.VI.2013 (BGC) 1 male; British Columbia: Liard
River, bison scats, 59.4288°, -126.1157°, 468 m, 10.VI.2013 (BGC, LFC) 1 female, 1 male
Gusarov 2003a, Klimaszewski et al. 2005, 2011, Gouix and Klimaszewski 2007, Majka and
Klimaszewski 2008, 2010, Bousquet et al. 2013
New records
References
Natural history. ‘This species is strongly associated with forests. The habitats of
adults include bison faeces in British Columbia and wet spruce litter and poplar-spruce
litter in Saskatchewan. In Newfoundland, adults were collected using carrion traps and
flight intercept traps in various mixedwood and coniferous forest types (Klimaszewski
et al. 2011). Some specimens were found in rotting mushrooms in forests and under
the bark of decaying spruce logs (Klimaszewski et al. 2011). Elsewhere in North Amer-
ica it was collected from fungi and in pitfall traps in forests. The adults were collected
from June to August.
Atheta (Datomicra) nigra (Kraatz)
Figs 9-15
Diagnosis. Body narrowly elongate (Fig. 9), length 1.8—2.3 mm, dark brown to black,
legs with at least tarsi reddish-brown; head, pronotum and elytra finely and densely
New distribution records for Canadian Aleocharinae... 63
punctate, punctures small; pubescence dense; integument strongly glossy; pronotum
transverse, slightly narrower than elytra, with median line of disc well defined, pubes-
cence directed laterad from median line; elytra at suture slightly longer than pronotum;
abdomen subparallel. MALE. Median lobe of aedeagus with oval bulbus and narrowly
elongate and pointed tubus in ventral view (Fig. 11), in lateral view tubus slightly sinuate
and slightly pointed ventrally at apex (Fig. 10); internal sac structures not pronounced;
tergite VIII with four small dents apically (Fig. 12); sternite VHI broadly rounded apical-
ly. FEMALE. Tergite VHI truncate and slightly concave apically (Fig. 14); sternite VII
broadly arcuate apically with shallow apical emargination (Fig. 15); spermatheca with
narrowly elongate and angularly bent capsule bearing large and long apical invagination,
stem narrow, and with a single posterior coil bearing swollen apical part (Fig. 13).
Distribution.
Origin Palaearctic, adventive in North America
Distribution | First record for North America, Canada and SK; USA unrecorded
New records | New country and provincial record: Saskatchewan: Maple Creek, horse manure, 49.9037°,
-109.5909°, 764 m, 2.1X.2012 (LFC) 1 female
References _| Kraatz 1856, Benick and Lohse 1974, Smetana 2004, Klimaszewski and Majka 2007
Natural history. The single female in Saskatchewan was captured in horse manure
in September.
Remarks. This species is similar to our native Atheta (D.) acadiensis Klimaszewski
& Majka (2007) described from Nova Scotia but it is readily distinguishable by the
morphology of genital structures. For illustrations of A. acadiensis, see Klimaszewski
and Majka (2007).
Atheta (Bessobia) cryptica (Lohse)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: BC, NE QC, YT
New provincial record: British Columbia, Summit Lake, willow/aspen litter, 58.6616°,
-124.5215°, 1238 m, 10.VI.2013 (BGC, LFC) 2 males, 2 females
Lohse et al. 1990, Gouix and Klimaszewski 2007, Klimaszewski et al. 2008, 2011,
Bousquet et al. 2013
New records
References
Natural history. In British Columbia, adults were captured in willow-aspen litter.
In Newfoundland, adults were collected using pitfall traps in fir forests (Klimaszewski
et al. 2011). In Yukon Territory, adults were collected from sifted willow litter (Salix
sp.) (Klimaszewski et al. 2008). The adults were collected from May to July.
64
Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
9 1mm
Atheta nigra
Figures 9-15. Atheta (Datomicra) nigra (Kraatz): 9 habitus in dorsal view 10 median lobe of aedeagus in
lateral view, and 11 in ventral view 12 apical part of male abdomen with visible 4 dents on apical margin
of male tergite VII] 13 spermatheca 14 female tergite VHI 15 female sternite VII; 9, 13-15 based on
a female from Saskatchewan 10, I 1 after Benick and Lohse (1974) 12 based on a male from Germany.
New distribution records for Canadian Aleocharinae... 65
Atheta (Dimetrota) fanatica Casey
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Nearctic
Canada: AB, BC [as A. fanatica], LB, NB, NS, QC [as A. irrita], SK; USA: AK, NV [as A.
irrita]; likely transcontinental in Canada
Origin
Distribution
New provincial records: Saskatchewan: La Ronge, wet spruce litter, 55.118°, -105.2457°,
366 m, 6.VI.2013 (BGC) 1 female; Alberta: c. 100 km NW of Peace River, 56.68°,
-118.63°, EMEND compartment 908, white spruce log in early decay stage, 12.V1.2012
(NoFC) 1 male
Casey 1910, 1911, Moore and Legner 1975, Campbell and Davies 1991, Majka et al.
2006, Gouix and Klimaszewski 2007, Webster et al. 2009, Majka and Klimaszewski 2010,
Klimaszewski et al. 2011, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, a female was captured in wet spruce litter,
and one Newfoundland specimen was captured using a carrion-baited pitfall trap in a
spruce/moss forest (Klimaszewski et al. 2011). In Alberta, one male was captured in an
early decay stage of a white spruce log in spruce-aspen mixed forest. Elsewhere, adults
were collected in the nests of several owl species, in maple forest, in oyster mushrooms
(Pleurotus sp.), and in organic material on standing trees (Majka et al. 2006, Webster
et al. 2009). The adults were collected from June to August.
Atheta (Atheta) graminicola (Gravenhorst)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Holarctic
Canada: AB, BC, LB, MB, NB, NE NT; ON, QC, SK, YT; USA: AL, OR; Palaearctic:
eee ee ee ee
Neem eecenee New provincial record: Saskatchewan: Prince Albert, sandy beach, 53.9804°, -106.28°,
ie 532 m, 4.V1.2013 (BGC, LFC) 1 male, 1 female
Lohse and Smetana 1985, Lohse et al. 1990 [as A. granulata Mannerheim], Gusarov
References | 2003a, Gouix and Klimaszewski 2007, Webster et al. 2009, Majka and Klimaszewski
2010, Klimaszewski et al. 2011, Bousquet et al. 2013
Distribution
Natural history. In Saskatchewan, adults were captured on a sandy beach. In
Newfoundland, some adults were collected using a flight intercept trap in a mixed
forest (Klimaszewski et al. 2011). Elsewhere, adults occur in forest leaf litter, at edges
of streams and pools, in moss and in drift material (Lohse et al. 1990, Webster et al.
2009). The adults were collected from April to June.
66 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Atheta (Pseudota) klagesi Bernhauer
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, BC, NB, NE NS, PE, QC, ON, SK, YT; USA: IA, ME, MN, NJ, NY, PA
New provincial record: Saskatchewan: Cypress Hills, near pond, riparian, 49.6704°,
-109.5005°, 1189 m, 2.[X.2012 (BGC) 1 male
Gusarov 2003a, Klimaszewski et al. 2007b, 2011, Gouix and Klimaszewski 2007, Majka
and Klimaszewski 2008, 2010, Webster et al. 2009, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, one male was captured from the riparian zone
of a pond. In Newfoundland, most adults were collected in forests of various types (de-
ciduous, coniferous, mixedwood, riparian) using carrion-baited pitfall traps and flight
intercept traps, as well as on coastal barrens using pitfall traps and on rotting mush-
rooms (Klimaszewski et al. 2011). Elsewhere, adults were collected on gilled, polypore
and coral fungi, in compost and other organic debris, and in rotten logs, and the usual
habitat is forest, e.g., hardwoods, eastern white cedar swamps, red spruce/yellow birch,
hemlock, mixedwood (Klimaszewski and Peck 1986, Klimaszewski et al. 2005, 2007b,
Majka and Klimaszewski 2008, Webster et al. 2009, Majka and Klimaszewski 2010).
The adults were collected from April to August.
Atheta (Chaetida) longicornis (Gravenhorst)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Palaearctic; adventive in North America
Canada: NB, NE NS, QC, SK; USA: CA, MN; Palaearctic: Europe, North Africa, Asia,
and Oriental region
New provincial record: Saskatchewan: Maple Creek, horse manure, 49.9037°, -109.5909°,
764 m, 2.[X.2012 (BGC, LFC) 2 males, 1 female
Klimaszewski et al. 2007a, 2011, Gouix and Klimaszewski 2007, Webster et al. 2009,
Majka and Klimaszewski 2010, Michaud et al. 2010, Bousquet et al. 2013
Origin
Distribution
New records
References
Natural history. In Saskatchewan, specimens were captured in horse manure.
Elsewhere, adults are usually associated with cow dung, carrion, compost, rotting
mushrooms, and other rotting organic substrates (Klimaszewski et al. 2007a, Webster
et al. 2009, Michaud et al. 2010). The adults were collected from May to October.
New distribution records for Canadian Aleocharinae... 67
Atheta (Microdota) platonoffi Brundin
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Holarctic
Distribution | Canada: AB, LB, NB, NE NS, SK; USA: AK; Palaearctic: northern Europe.
New provincial records: Saskatchewan: Prince Albert, ferns and scat, 53.987, -106.2802, 532
New records | m (BGC) 1 female; Meadow Lake, wet spruce litter, 54.4144, -108.8897, 486 m, 7.VI.2013
(BGC, LFC) 2 males, 2 females
Klimaszewski et al. 2005, 2011, Gouix and Klimaszewski 2007, Majka and Klimaszewski
2008, 2010, Bousquet et al. 2013
References
Natural history. In Saskatchewan, adults were found on ferns and scat, and in
wet spruce litter. In Newfoundland, adults were collected using carrion-baited pit-
fall traps and flight intercept traps in various mixedwood and coniferous forest types
(Klimaszewski et al. 2011). In New Brunswick, adults were captured from litter in a red
spruce forest (Klimaszewski et al. 2005). The adults were collected from June to August.
Atheta (Dimetrota) prudhoensis (Lohse)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Nearctic
Canada: LB, NB, NE, NS, QC, ON, SK, YT; USA: AK, VT
New provincial record: Saskatchewan: Maple Creek, horse manure, 49.9037°, -109.5909°,
764 m, 2.[X.2012 (BGC) 1 female
Lohse et al. 1990, Gusarov 2003a, Klimaszewski et al. 2007a, 2011, Gouix and Klimaszewski
2007, Majka and Klimaszewski 2008, 2010, Webster et al. 2009, Bousquet et al. 2013
Origin
Distribution
New records
References
Natural history. In Saskatchewan, adults were found in horse manure. In New-
foundland, adults were collected using carrion-baited pitfall traps and flight intercept
traps in conifer-dominated forests, including upland and riparian habitats (Klimaszew-
ski et al. 2011). Elsewhere, adults were collected from gilled mushrooms, compost,
and leaf litter in various forest types, e.g., birch, maple, oak, hemlock mixed forests and
spruce forest (Lohse et al. 1990, Klimaszewski et al. 2007a, Webster et al. 2009). The
adults were collected from June to September.
68 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Atheta (Microdota) pseudosubtilis Klimaszewski & Langor
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution Canada: AB, LB, NB, NK QC
New provincial record: Alberta: c. 100 km NW of Peace River, Blk
C31, 5.93 ha aggregated retention of white spruce, 56.68°, -118.64°,
21.V1I.2011 (NoFC) 1 female
Klimaszewski et al. 2011, Bousquet et al. 2013
New records
References
Natural history. In Alberta, one female was found in a white spruce dominated
ageregated retention patch (5.93 ha) surrounded by 10-year-old regenerating conifer-
ous trees using a window trap attached to the trunk of white spruce snag. Elsewhere,
adults were collected from unbaited and baited pitfall traps and flight intercept traps in
various coniferous and mixedwood forest types (Klimaszewski et al. 2011). The adults
were collected from June to August.
Atheta (Alaobia) ventricosa Bernhauer
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, BC, LB, NB, NE NS, ON, SK, YT; USA: AK, DC, NC, NJ, NY, PA, VT
cde enart New provincial record: Saskatchewan: Cypress Hills, near pond, riparian, 49.6704°,
ew FecOF* | _109.5005°, 1189 m, 2.IX.2012 (BGC) 1 male
Ree ctes Gusarov 2003a, Klimaszewski et al. 2005, 2008, 2011, Gouix and Klimaszewski 2007,
Majka and Klimaszewski 2008, 2010, Bousquet et al. 2013
Natural history. In Saskatchewan, one male was captured in the riparian zone of
a pond. In Newfoundland, adults were collected in unbaited and carrion-baited pit-
fall traps and flight intercept traps in various coniferous and mixedwood forest types
(Klimaszewski et al. 2011). Elsewhere, adults were found in coniferous forests and
in organic litter in mixed forests (Klimaszewski et al. 2005, Majka and Klimaszewski
2008). The adults were collected from May to October.
New distribution records for Canadian Aleocharinae... 69
Boreophilia davidgei Klimaszewski & Godin
(for diagnosis and illustrations, see Klimaszewski et al. 2012)
Distribution.
Origin Nearctic
Distribution | Canada: AB, YT
New provincial records: Alberta: c. 100 km NW of Peace River, Blk C14, 2.93 ha
ageregated retention, white spruce girdled in 2010, 56.712°, -118.779°, 13.[X.2011
(NoFC) 1 female; Block C14, 1.43 ha aggregated retention, white spruce snag, 56.7103°,
-118.7786°, 21.VI.2010 (NoFC) 1 female; Block C31, 1.71 ha aggregated retention,
New records | white spruce snag, 56.688°, -118.645°, 20.VI.2010 (NoFC) 1 female; Block C31, white
spruce intact forest, white spruce snag, 56.682°, -118.636°, 15.VIII.2010 (NoFC) 1
male; EMEND compartment 896, white spruce snag, 56.7571°, -118.3981°, 810.9 m,
10.VII.2010 (NoFC) 1 female; EMEND compartment 919, regenerating aspen (Populus
tremuloides Michaux), 56.7964°, -118.3607°, 715 m, 18.VI.2010 (NoFC) 1 female
References _| Klimaszewski et al. 2012, Bousquet et al. 2013
Natural history. In Alberta, adults were collected using window traps installed on
the trunk of a recently girdled white spruce tree and on snags. The adults were found
in white spruce dominated aggregated retention patches (> 1.43 ha) surrounded by
10-year-old coniferous regenerating matrix, small aggregated retention patch (0.20 ha)
surrounded by 20% dispersed retention, 10-year-old regenerating aspen stand, and
intact white spuce forest. In Yukon Territory, adults were collected using pitfall traps
and sifting organic litters in various coniferous and mixedwood forest types (Klimasze-
wski et al. 2012). The adults were collected from May to September.
Boreophilia islandica (Kraatz)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Holarctic
Canada: AB, NE NT, NU, YT; USA: AK; Palaearctic: Europe, Asia
New provincial records: Alberta: c. 90 km NW of Peace River, EMEND compartment
919, white spruce log in intermediate decay stage, 56.7968", -118.3603°, 715 m,
18.VI.2010 (NoFC) 1 female; EMEND compartment 892, regenerating aspen (Populus
tremuloides Michaux), 56.7506°, -118.3994°, 781.1 m, 18.VI.2010 (NoFC) 1 female
Lohse et al. 1990, Gouix and Klimaszewski 2007, Klimaszewski et al. 2011, Bousquet et al.
2013
Natural history. In Alberta, one female was collected in June in an aggregated
retention patch (0.46 ha) surrounded by 20% dispersed retention of a white spruce
dominated stand, using an emergence trap attached to the trunk of intermediate decay
stage of white spruce log. The other female was captured in 10-year-old regenerating
trembling aspen, using a window trap. This is the first habitat record of the species.
Origin
Distribution
New records
References
70 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Boreostiba parvipennis (Bernhauer)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, LB, NE, NT, QC, YT; USA: AK, NH
New provincial records: Northwest Territories: 27 km west of Yellowknife, aspen,
New records | 62.522°, -114.8859°, 171 m, 1.V.2009 (BGC, LFC) 1 male 1 female; 32 km west of
Yellowknife, birch/spruce, 62.531°, -114.9581°, 168 m, 3.VI.2009 (LFC) 1 female
Lohse et al. 1990 [as B. hudsonica], Gusarov 2003a, Gouix and Klimaszewski 2007,
Klimaszewski et al. 2008, 2011, Bousquet et al. 2013
References
Natural history. In the Northwest Territories, adults were found in aspen and
birch-spruce litter. In Newfoundland, adults were collected mostly using pitfall traps
in fir and spruce forests (Klimaszewski et al. 2011). One specimen was found in a
rotting mushroom and another under detritus on a sandy beach (Klimaszewski et al.
2011). The adults were collected from May to August.
Dinaraea pacei Klimaszewski & Langor
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, BC, LB, NB, NE QC, YT; USA: AK
New provincial record: Yukon Territory, EMAN, Fireweed Dr., Lindgren 2 weeks;
white spruce, 60.6014°, -134.9387°, 772 m, 12.VI.2013 (BGC) 1 female
References | Klimaszewski et al. 2011, 2013, Bousquet et al. 2013
New records
Natural history. One female was captured in the Yukon using a Lindgren funnel
trap in a white spruce stand. Adults in Newfoundland and Labrador were collected
using pitfall traps and flight intercept traps in various coniferous forest types, and
one specimen was collected under the bark of a dead red pine (Klimaszewski et al.
2011). In British Columbia, adults were caught in emergence traps attached to the
trunks of lodgepole pine (Pinus contorta Dougl. ex Loud. J/atifolia Engelm.) infested
by mountain pine beetle (Dendroctonus ponderosae Hopkins) (Langor, unpublished).
In New Brunswick, adults were found: under the bark of large fallen spruce in an old-
growth eastern white cedar swamp; under tight bark of American elm; in a silver maple
forest; in fleshy polypore fungi at the base of a dead standing Populus sp. in a wet alder
swamp; in a group of Pholiota sp. at the base of a dead Populus sp. in a mixed forest. In
Quebec, adults were found in dead black spruce in a black spruce forest. Adults were
also captured in Lindgren funnel traps deployed in an old-growth white spruce (Picea
New distribution records for Canadian Aleocharinae... 71
glauca (Moench) Voss) and balsam fir forest, an old mixed forest with red and white
spruce, red and white pine (Pinus strobus L.), and a rich Appalachian hardwood forest
with some conifers (Klimaszewski et al. 2013). The adults were collected from March
to September.
Dinaraea worki Klimaszewski & Jacobs
(for diagnosis and illustrations, see Klimaszewski et al. 2013)
Distribution.
Origin Holarctic
Distribution | Canada: AB, QC
New provincial records: Alberta: c. 90 km NW of Peace River, EMEND compartment 922,
white spruce girdled in 2009, 56.7971°, -118.3750°, 17.IX.2009 (NoFC) female; EMEND
compartment 918, white spruce log in intermediate decay stage, 56.792°, -118.364°,
757.8 m, 18.V1.2010 (NoFC) 1 female; EMEND compartment 932, white spruce snag,
56.8068°, -118.3290°, 17.VII.2009 (NoFC) 1 female; EMEND compartment 911, white
spruce log in early decay stage, 4.VIII.2011 (NoFC) 1 female
Reference | Klimaszewski et al. 2013
New records
Natural history. In Alberta, adults were collected using window traps attached to
a girdled white spruce tree and a snag, and were reared from white spruce logs in early
and intermediate decay stages. In Quebec, adults were found in dead and dying black
spruce (Picea mariana Mill. (BSP)) in black spruce dominated stands. The adults were
collected from June to September.
Liogluta aloconotoides Lohse
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, LB, NB, NE NS, YT
New provincial records: Alberta: c. 90 km NW of Peace River, EMEND compartment 918,
New records | white spruce log in advanced decay stage, 56.792°, -118.364°, 757.8 m, 27.VIII.2009 and
9.VII.2010 (NoFC) 2 males
References | Klimaszewski et al. 2011, Webster et al. 2012, Bousquet et al. 2013
Natural history. In Alberta, adults were reared from well-decayed white spruce
logs. Elsewhere, adults were captured in various forest types including a recently
burned forest. The adults were collected from July to October.
72 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Lypoglossa franclemonti Hoebeke
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, MB, NB, NE, NS, NT, QC, ON, SK, YT; USA: NY, VT
New provincial record: Saskatchewan: Prince Albert, sandy beach, 53.9804", -106.28°, 532
m, 2013.V1.3 (BGC) 1 male
Hoebeke 1992, Gusarov 2004, Gouix and Klimaszewski 2007, Webster et al. 2009, Majka
References
and Klimaszewski 2010, Klimaszewski et al. 2011, Bousquet et al. 2013
Natural history. In Saskatchewan, one male was captured on a sandy beach. In
New records
Newfoundland, a single specimen was collected in a pitfall trap in a balsam fir stand
(Klimaszewski et al. 2011). Elsewhere, adults were captured in litter in spruce bogs,
birch bogs, in moss and lichens, and in coniferous and deciduous forests (Gusarov
2004). The adults were collected from May to September.
Philbygra botanicarum (Muona)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Holarctic
Distribution | Canada: BC, LB, NB, NE NS, ON, SK, YT; Palaearctic: northern Europe
New provincial record: Saskatchewan: Cypress Hills, wet willow stand, 49.5978°,
-109.9231°, 1134 m, 2.IX.2012 (BGC) 1 male
Muona 1983, 1984, Gouix and Klimaszewski 2007, Klimaszewski et al. 2008, 2011,
Webster et al. 2009, Majka and Klimaszewski 2010, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, one male was captured in wet willow stand. In
Newfoundland, adults were collected using flight intercept traps in mixedwood and co-
niferous forests, and along the margins of streams (Klimaszewski et al. 2011). In New
Brunswick, adults were found on muddy soil, near margins of water in alder swamps, in
mixed forests, in drift material on a lakeshore, and in moist leaves under a sap flow from
a yellow birch (Webster et al. 2009). The adults were collected from May to August.
Philbygra clemens (Casey)
(for details and body image, see Klimaszewski et al. 2005, 2007b, Majka and Kli-
maszewski 2008)
New distribution records for Canadian Aleocharinae... ie
Distribution.
Origin Nearctic
Distribution | Canada: MB, NB, NS, QC, ON, YT; USA: WI
New records | New provincial record: Manitoba: Winnipeg, Whittier Park, Red River bank litter,
49.8996, -97.1250, 228 m, 18.X.2009 (BGC) 1 male
References | Casey 1910, Moore and Legner 1975, Klimaszewski et al. 2005, 2007b, Majka and
Klimaszewski 2008, Bousquet et al. 2013
Natural history. The Manitoba male was captured in litter on the bank of the Red
River. In New Brunswick, it was found in red spruce (P. rubens) forests (Klimaszewski
et al. 2005), whereas in Quebec it was found in yellow birch (B. alleghaniensis) forests
(Klimaszewski et al. 2007b). The adults were collected from June to October.
Philbygra jarmilae Klimaszewski & Langor
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: NB, NE ON, SK, YT
New provincial records: Saskatchewan: Meadow Lake, birch/alder litter, 54.4188°,
eek eakhe -108.944°, 482 m, 7.VI.2013, 1 male (BGC) 1 female; Prince Albert, sandy beach,
53.9804°, -106.28°, 532 m, 4.VI.2013 (BGC, LFC) 1 male, 3 females; Cypress Hills,
near pond, riparian, 49.5978°, -109.9231°, 1189 m, 2.[X.2012 (LFC) 1 male
References | Klimaszewski et al. 2011, Bousquet et al. 2013
Natural history. The holotype was captured in a flight intercept trap in a mixed-
wood forest in Newfoundland (Klimaszewski et al. 2011). In Saskatchewan, adults
were found in birch-alder litter, on a sandy beach, and in the riparian zone of a pond.
The adults were collected from June to September.
Philbygra ripicoloides Lohse
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: NE NT, SK, YT
ues rene New provincial record: Saskatchewan: Prince Albert, sandy beach, 53.9804°, -106.28°,
532 m, 4.VI.2013 (BGC) 1 male
Lohse et al. 1990, Gouix and Klimaszewski 2007, Klimaszewski et al. 2011, Bousquet
et al. 2013
References
74 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Natural history. In Saskatchewan, one male was captured on a sandy beach.
Adults were collected from May to August (Klimaszewski et al 2011).
Philbygra rostrifera Lohse
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: NE NT, SK, YT
New provincial records: Northwest Territories: 32 km west of Yellowknife, birch/spruce,
62.531°, -114.9581°, 168 m, 3.VI.2009 (BGC) 1 male; Saskatchewan: Cypress Hills,
wet willow stand, 49.5978°, -109.923°1, 1134 m, 2.[X.2012 (LFC) 1 male; Lug Creek,
spruce/alder litter, 55.1776°, -106.6885°, 406 m, 6.VI.2013 (BGC) 1 female; Prince
Albert, ferns and scat, 53.9804°, -106.28°, 532 m, 3.VI.2013 (BGC) 1 female; La Ronge,
ditch litter in deciduous forest, 55.118°, -105.2457°, 366 m, 6.VI.2013 (LFC) 1 female
Lohse et al. 1990, Gouix and Klimaszewski 2007, Klimaszewski et al. 2011, Bousquet et
al. 2013
New records
References
Natural history. In Northwest Territories, one male was captured in birch/
spruce forest. In Saskatchewan, adults were found in wet willow thicket, spruce-
alder litter, ditch litter in a deciduous forest, and on ferns and in scat. In Newfound-
land, a single adult was collected from treading vegetation and sphagnum moss in a
boggy area (Klimaszewski et al. 2011). In Yukon Territory, the species was found in
moss in a meadow (Klimaszewski et al. 2012). The adults were collected from June
to September.
Philbygra sinuipennis Klimaszewski & Langor
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: LB, NB, NE, SK, YT
New provincial record: Saskatchewan: Prince Albert, sandy beach, 53.9804°, -106.28°,
532 m, 4.VI.2013 (LFC) 1 male
References | Klimaszewski et al. 2011, 2012, Bousquet et al. 2013
New records
Natural history. In Saskatchewan, one male was captured on a sandy beach.
In Newfoundland, one specimen was collected amongst litter and stones on the
sandy shore of a lake (Klimaszewski et al. 2011). The adults were collected in June
and July.
New distribution records for Canadian Aleocharinae... 75
Philbygra terrestris Klimaszewski & Godin
(for diagnosis and illustrations, see Klimaszewski et al. 2012)
Distribution.
Origin
Nearctic
Canada: SK, YT
Distribution
New provincial records: Saskatchewan: Cypress Hills, wet willow stand, 49.5978°,
New records
-109.9231°, 1134 m, 2.[X.2012 (BGC, LFC) 2 males; Meadow Lake, birch/alder
litter, 54.4188°, -108.944°, 482 m, 7-VI-2013, 2 females; La Ronge, alder/spruce litter,
55.118°, -105.2457°, 366 m, 6.V1.2013 (BGC) 1 female
References | Klimaszewski et al. 2012, Bousquet et al. 2013
Natural history. In Saskatchewan, adults were captured in a wet willow stand and
in birch-alder and birch-spruce litter. The Yukon specimen was collected from ground
litter (Klimaszewski et al. 2012). The adults were collected from June to September.
Schistoglossa camp belli Klimaszewski
(for diagnosis and illustrations, see Klimaszewski et al. 2009a)
Distribution.
Origin
Nearctic
Canada: AB, BC
New provincial record: Alberta: c. 90 km NW of Peace River, EMEND compartment
Distribution
New records
932, white spruce snag, 56.8071°, -118.3276°, 6.VIII.2009 (NoFC) 1 female;
same except, EMEND compartment 933, white spruce girdled in 2009, 56.8056°,
-118.3328°, 19.VI.2010 (NoFC) 1 female
References Klimaszewski et al. 2009a, Bousquet et al. 2013
Natural history. In Alberta, adults were captured in window traps attached to
a recent white spruce snag. In British Columbia, adults were captured by treading
Sphagnum and Carex at the edge of a marsh (Klimaszewski et al. 2009a). The adults
were collected in July and August.
76 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Schistoglossa carexiana Klimaszewski
(for diagnosis and illustrations, see Klimaszewski et al. 2009a)
Distribution.
Origin Nearctic
Distribution | Canada: BC, SK
New provincial record: Saskatchewan: Prince Albert, sandy beach, 53.9804°, -106.28°,
532 m, 4.VI.2013 (LFC) 1 female
References Klimaszewski et al. 2009a, Bousquet et al. 2013
New records
Natural history. In Saskatchewan, one female was captured on a sandy beach. In
British Columbia, adults were captured by treading Sphagnum and Carex at the edge
of a marsh (Klimaszewski et al. 2009a). The adults were collected from June to August.
Schistoglossa hampshirensis Klimaszewski
(for diagnosis and illustrations, see Klimaszewski et al. 2009a)
Distribution.
Origin Nearctic
Distribution | Canada: AB, NB, QC; USA: NH
New provincial record: Alberta: c. 100 km NW of Peace River, Block C14, 1.43 ha
aggregated retention, white spruce girdled in 2010, 56.7103°, -118.7786°, 22.VI.2011
(NoFC) 1 female
Klimaszewski et al. 2009a, Bousquet et al. 2013
New records
References
Natural history. In Alberta, one female was captured in a window trap attached
to a recently girdled white spruce tree. Elsewhere, adults were captured in Salix, Vac-
cinium and Chamaedaphne leaf litter (Klimaszewski et al. 2009a). The adults were col-
lected from June to September.
Seeversiella globicollis (Bernhauer)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Canada: AB, BC, NE NS, ON, QC, SK; USA: AZ, CO, ID, MN, MT, NH, SD, WI;
Mexico; Guatemala
New provincial record: Saskatchewan: Prince Albert, aspen stand, 54.7217°,
New records
-105.689°6, 484 m, 5.VI.2013 (BGC) 1 male
Retarences Ashe 1986, Gusarov 2003a,b, Gouix and Klimaszewski 2007, Majka and Klimaszewski
2008, 2010, Klimaszewski et al. 2011, Bousquet et al. 2013
Distribution
New distribution records for Canadian Aleocharinae... 77
Natural history. In Saskatchewan, one male was captured in an aspen stand. In
Newfoundland, adults were collected using pitfall traps in fir and riparian forests (Kli-
maszewski et al. 2011). Elsewhere, adults were found in leaf litter near a body of water,
in litter near the sea and in mountain forests (Klimaszewski et al. 2011). The adults
were collected from March to September.
Trichiusa pilosa Casey
Figs 16-23
Trichiusa pilosa Casey 1894: 341, 343; Moore and Legner 1975: 504.
LECTOTYPE (female): USA: RI [Rhode Island; in orig. descrip. Boston Neck];
Casey determ. pilosa-3; Casey bequest 1925; Trichiusa pilosa Casey, Gusarov V.I. det.
2010; our lectotype designation label, present designation (USNM). PARALEC-
TOTYPES: labelled as the lectotype except: Casey determ. pilosa-4 (USNM) 1 male;
Casey determ. pilosa-5 (USNM) 1 female; Type USNM 39424 (USNM) 1 male.
Trichiusa atra Casey 1906: 330; Moore and Legner 1975: 504. New Synonymy.
LECTOTYPE (male): USA: McPherson, W. Kansas; atra Casey; Type USNM
39426; Casey bequest 1925; Lectotypus Trichiusa atra Casey, Gusarov V.I. det.
2011 [unpublished designation]; our lectotype designation label, present designa-
tion (USNM).
Trichiusa monticola Casey 1906: 328; Moore and Legner 1975: 504. New Synonymy.
LECTOTYPE (male): USA: Coeur d’Alene, Idaho [in orig. descrip. H.E Wick-
ham]; monticola Casey; Type USNM 39421; Lectotypus Trichiusa monticola Ca-
sey, Gusarov, V.I. des. 2011[unpublished designation]; our lectotype designation
label, present designation (USNM).
Trichiusa parviceps Casey 1906: 328; Moore and Legner 1975: 504. New Synonymy.
LECTOTYPE (female): USA: Cin. [in orig. descript.: Ohio, Cincinnati, Chas.
Dury]; parviceps Casey; Casey bequest 1925; Lectotypus Trichiusa parviceps, Gusa-
rov V.I. des. 2011 [unpublished designation]; our lectotype designation label, pre-
sent designation (USNM).
Trichiusa postica Casey 1906: 330; Moore and Legner 1975: 504. New synonymy.
LECTOTYPE (male): W.H.H. [W.H. Harrington], Ottawa, Canada; Type USNM
39427; Casey bequest 1925; Trichiusa pilosa Casey, Gusarov, V.I. det. 2010; our
lectotype designation label, present designation (USNM).
Diagnosis. Body broadly oval (Fig. 16), length 1.5—1.8 mm, dark brown with reddish
tinge and slightly paler base of abdomen or uniformly black, appendages usually light-
er than rest of body (Fig. 16); sparsely punctate and pubescent; setae straight and erect,
particularly on pronotum; integument strongly glossy; head slightly narrower than
pronotum; pronotum moderately transverse, rounded laterally and basally, distinctly
narrower than elytra; elytra broad at suture about as long as pronotum; abdomen arcu-
ate laterally and broadest at middle of its length. MALE. Median lobe of aedeagus with
oval bulbus and triangularly shaped tubus in dorsal view (Fig. 18), in lateral view tubus
78 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Trichiusa pilosa
Figures 16-23. 7richiusa pilosa Casey: 16 habitus in dorsal view 17 median lobe of aedeagus in lateral
view, and 18 in dorsal view 19 male tergite VIII 20 male sternite VII 21 spermatheca in lateral view
22 female tergite VIII 23 female sternite VIII 17-23 based on type material from Rhode Island, USA.
slightly sinuate and narrow apically with apex narrowly rounded (Fig. 17); internal sac
structures not pronounced; tergite VIII short and truncate apically (Fig. 19); sternite
VIII slightly produced apically and rounded at apex and with narrow distance between
New distribution records for Canadian Aleocharinae... iy)
base of disc and antecostal suture (Fig. 20). FEMALE. Tergite VII short and truncate
apically (Fig. 22); sternite VII broadly arcuate apically (Fig. 23); spermatheca with
broad and sac-shaped capsule with minute apical invagination, stem narrow, sinuate
and narrowly twisted apically (Fig. 21).
Distribution.
Origin Nearctic
Distribution | Canada: AB, BC, NS, ON (as T postica); USA: ID, IN, KS, OH, RI
New provincial records: Alberta: c. 100 km NW of Peace River, Block C14, white
spruce regenerating stand, 56.7079°, -118.7775°, 14.[X.2011 (NoFC) 1 female; British
Columbia: Liard River, bison scats, 59.4288°, -126.1157°, 468 m, 10.VI.2013 (BGC,
LFC) 1 male, 1 female
Casey 1894, 1906, Moore and Legner 1975, Majka and Klimaszewski 2010 (as 7’ postica),
References
Brunke et al. 2012, Bousquet et al. 2013 (as 7. postica)
New records
Natural history. In Alberta, one female was collected using a window trap
deployed in a 10-year-old regenerating white spruce stand. The British Columbia
specimens were found on bison scat. The adults were collected from June to
September.
Comments. The two specimens from British Columbia agree with the type series
in external morphology and shape of genitalia except for the entirely black body. It
is well known that many aleocharine species exhibit darker colour at higher latitudes
compared with more southern populations.
GYMNUSINI Heer
Gymnusa campbelli Klimaszewski
(for diagnosis and illustrations, see Klimaszewski 1979, Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: NB, NE NT; ON, QC, SK, YT; USA: AK
New provincial record: Saskatchewan: Prince Albert, sandy beach, 53.9804°, -106.28°, 532 m,
4.V1.2013 (BGC) 1 female
Referens Klimaszewski 1979, Gouix and Klimaszewski 2007, Majka and Klimaszewski 2010,
New records
Natural history. In Saskatchewan, one female was captured on a sandy beach. In
Newfoundland, adults were collected in riparian areas (Klimaszewski et al. 2011). Else-
where, adults were collected by treading wet moss on muddy shores of shallow lakes
(Klimaszewski et al. 2011). The adults were collected from June to August.
80 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
HOMALOTINI Heer
Gyrophaena criddlei Casey
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: LB, MB, NB, ON, SK, YT
New provincial record: Saskatchewan: Cypress Hills, mushroom, pine forest, 49.669°,
-109.4998°, 1196 m, 2.[X.2012 (BGC, LFC) 2 males
Seevers 1951, Klimaszewski et al. 2009b, 2011, 2012, Majka and Klimaszewski 2010,
Brunke et al. 2012, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, adults were captured on a mushroom in pine
forest. In Newfoundland, adults were collected using flight intercept traps in spruce-
poplar forest (Klimaszewski et al. 2011). Elsewhere, adults were collected from gilled
mushrooms in pine, hardwood and mixedwood forests (Seevers 1951, Klimaszewski et
al. 2009b). The adults were collected in August and September.
Gyrophaena insolens Casey
(for diagnosis and illustrations, see Seevers 1951, Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: BC, LB, MB, NB, NE ON, SK; USA: MI
New provincial record: Saskatchewan: Cypress Hills, mushroom, pine forest, 49.669°,
-109.4998°, 1196 m, 2.[X.2012 (BGC, LFC) 2 males, 2 females
Beate Seevers 1951, Klimaszewski et al. 2009b, 2011, Majka and Klimaszewski 2010, Brunke et
al. 2012, Bousquet et al. 2013
New records
Natural history. In Saskatchewan, adults were collected from mushrooms in a
pine forest. In Labrador, adults were collected using flight intercept traps in spruce-
birch and spruce-poplar forests (Klimaszewski et al. 2011). Elsewhere, adults were
collected from gilled mushrooms (Russula sp.) in mixed forests, white and red spruce
forests, white cedar swamps, yellow birch and spruce forests, and oak and maple forests
(Seevers 1951, Klimaszewski et al. 2009b, 2011). The adults were collected in August
and September.
New distribution records for Canadian Aleocharinae... 81
Gyrophaena uteana Casey
(for diagnosis and illustrations, see Seevers 1951, Brunke et al. 2012, Webster et al.
2012)
Distribution.
Origin
Distribution
New records
Nearctic
Canada: AB, BC, NB, ON, QC, SK; USA: CA, CO, UT
New provincial records: Saskatchewan: Prince Albert, aspen stand, 54.7217°,
-105.6896°, 484 m, 5.VI.2013 (LFC) 1 male; La Ronge, alder/spruce litter, 55.118°,
-105.2457°, 366 m, 6.VI.2013 (BGC) 1 male
References
Casey 1906, Seevers 1951, genitalia in Klimaszewski et al. 2009b (as G. gaudens),
Brunke et al. 2012, Webster et al. 2012, Bousquet et al. 2013
Natural history. The Saskatchewan specimens were found in June in an aspen
stand and in alder/spruce litter in a forest.
Homalota plana (Gyllenhal)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin
Distribution
New records
References
Palaearctic; adventive in North America
Canada: AB, NB, NE NS; USA: AK; Palaearctic: Europe, North Africa, Asia
New provincial records: Alberta: c. 100 km NW of Peace River, Blk C31, 10-year-old
regenerating coniferous stands, 56.6833°, -118.6336°, 8.[X.2011 (NoFC) 1 female; Blk
C31, intact white spruce forest, white spruce girdled in 2010, 56.7114°, -118.6470°,
20.VI.2010 (NoFC) 1 male and 1 female; EMEND compartment 892, white spruce
snag, 56.7506°, -118.4001°, 781.1 m, 15.IX.2009 (NoFC) 1 female; EMEND
compartment 896, white spruce girdled in 2009, 56.7572°, -118.3962°, 802.7 m,
6.[X.2010 (NoFC) 1 female; EMEND compartment 898, white spruce girdled in
2009, 56.7598°, -118.3990°, 826.3 m, 13.VII.2010 (NoFC) 1 female
Gouix and Klimaszewski 2007, Klimaszewski et al. 2011, Bousquet et al. 2013
Natural history. In Alberta, most adults were collected using window traps at-
tached to boles of recently girdled trees and snags of white spruce in white spruce
dominated stands. Elsewhere, adults were found under bark of coniferous trees (K1i-
maszewski et al. 2007a, 2011). The adults were collected from June to September.
82 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
MYLLAENINI Ganglbauer
Myllaena arcana Casey
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, LB, NB, NE NS, ON, QC, SK; USA: AL, FL, IA, IL, MA, NH, NJ; Mexico
New provincial record: Saskatchewan: Meadow Lake, birch/alder litter, 54.4188°,
-108.944°, 482 m, 7.VI.2013 (BGC) 1 female
Klimaszewski 1982, Campbell and Davies 1991, Gouix and Klimaszewski 2007, Bishop et al.
2009, Majka and Klimaszewski 2010, Klimaszewski et al. 2008, 2011, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, adults were captured in birch and alder litter
in a forest. Elsewhere, the species appears to be riparian. Adults were collected from
February to November from debris near streams and lakes, and from a beaver lodge
(Klimaszewski et al. 2008, 2011).
OXYPODINI C.G. Thomson
Devia prospera (Erichson)
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Holarctic
Canada: AB, BC, LB, MB, NB, NT, ON, SK; USA: AK, CO, MI, MN, NM, OR, SD,
UT, WA, WY; Palaearctic: Europe, Asia
New provincial records: Saskatchewan: La Ronge, alder/spruce litter, 55.118°,
-105.2457°, 366 m, 6.VI.2013 (BGC) 1 male; Meadow Lake, wet spruce litter, 54.4144°,
-108.8897°, 486 m, 7.VI.2013 (BGC, LFC) 1 male, 2 females
Gusarov 2003a, Gouix and Klimaszewski 2007, Klimaszewski et al. 2007a, 2011, Webster
et al. 2009, Majka and Klimaszewski 2010, Bousquet et al. 2013
Origin
Distribution
New records
References
Natural history. In Saskatchewan, adults were collected from alder/spruce and
wet spruce litter in forests. In Newfoundland, adults were collected in abundance us-
ing pitfall traps in a patch of mixedwood forest in an urban area but were uncommon
in a disturbed field with forbs and grasses (Klimaszewski et al. 2011). Elsewhere, adults
were collected in human settlements from stables, barns, heaps of straw, haystacks,
rotting organic debris, mushrooms, and forest litter (Klimaszewski et al. 2007a). The
adults were collected from June to August.
New distribution records for Canadian Aleocharinae... 83
Ocyusa canadensis Lohse
(for diagnosis and illustrations, see Lohse et al. 1990, Klimaszewski et al. 2014)
Distribution.
Origin Nearctic
Distribution | Canada: NB, NE ON, SK, YT; USA: AK
Ne eet New provincial record: Saskatchewan: Cypress Hills, wet willow stand, 49.5978°,
ew recor’ | -109.9231°, 1134 m, 2.IX.2012 (BGC, LFC) 3 males, 2 females
References Lohse et al. 1990, Klimaszewski et al. 2014
Natural history. The Saskatchewan specimens were captured in a wet willow
stand. Elsewhere, adults were collected at lake margins, on moist soil/gravel among
sedges and by treading Carex and grasses (Klimaszewski et al. 2014). The adults were
collected from June to September.
Oxypoda grandipennis (Casey)
(for diagnosis and illustrations, see Klimaszewski et al. 2006, 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, BC, LB, NB, NE NS, ON, QC, SK, YT; USA: AK, NH
New provincial record: Saskatchewan: Cypress Hills, 49.669°, -109.4998°, 1196 m,
2.1X.2012 (BGC) 1 male
Klimaszewski et al. 2005, 2006, 2011, Gouix and Klimaszewski 2007, Majka and
Klimaszewski 2010, Bousquet et al. 2013
New records
References
Natural history. In Newfoundland, adults were collected using pitfall traps, car-
rion traps and flight intercept traps in various forest types (coniferous, deciduous,
mixedwood and riparian) and on coastal limestone barrens of Labrador (Klimaszewski
et al. 2011). Some specimens were collected from rotting mushrooms in forests (Kli-
maszewski et al. 2011). Elsewhere, adults were collected from leaf litter, moss, fungi, in
natural and harvested deciduous and coniferous forests (Klimaszewski et al. 2006). It
is a very adaptable and common Oxypoda species in Canada. The adults were collected
from May to October.
84 Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
Oxypoda hiemalis Casey
(for diagnosis and illustrations, see Klimaszewski et al. 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, LB, NB, NE NS, NT; ON QC; USA: AK
New provincial record: Alberta: c. 90 km NW of Peace River, EMEND compartment
918, white spruce girdled in 2009, 56.7923°, -118.3634°, 7.VHI.2009 (NoFC) 1 female
References _| Klimaszewski et al. 2011, Bousquet et al. 2013
New records
Natural history. In Alberta, a single female was collected in a white spruce domi-
nated stand using a window trap installed on the trunk of a recently girdled white
spruce. Elsewhere, adults were captured in various forest types, agricultural fields, a
disturbed meadow with Salix shrubs, and vegetation on coastal sand dunes (Klimasze-
wski et al. 2011). The adults were collected from March to October.
Oxypoda lacustris Casey
(for diagnosis and illustrations, see Klimaszewski et al. 2006, 2011)
Distribution.
Nearctic
Canada: AB, BC, LB, MB, NB, NE, NS, NT; QC, ON, SK, YT; USA: AK
New provincial records: Saskatchewan: Lug Creek, spruce/alder litter, 55.1776°,
-106.6885°, 406 m, 6.VI.2013 (BGC) 1 female; La Ronge, alder/spruce litter, 55.118°,
-105.2457°, 366 m, 6.VI.2013 (BGC) 1 female; Prince Albert, sandy beach, 53.9804°,
-106.28°, 532 m, (LFC) 1 male; Manitoba: Winnipeg, Whittier Park, river bank litter,
49.8996, -97.1250, 228 m, 18.X.2009 (BGC) 4 males, 6 females
Klimaszewski et al. 2005, 2006, Gouix and Klimaszewski 2007, Webster et al. 2009,
Majka and Klimaszewski 2010
Origin
Distribution
New records
References
Natural history. In Saskatchewan and Manitoba, specimens were found in alder/
spruce litter in a forest stand and in litter on river banks. In Newfoundland, adults
were collected using pitfall traps in birch forests, burned forest, fir forest, coastal sand
dunes and coastal barrens (Klimaszewski et al. 2011). Elsewhere, adults were collected
in forest litter, moss, gopher burrows, and muskrat nests (Klimaszewski et al. 2006,
Webster et al. 2009). The adults were collected from June to September.
New distribution records for Canadian Aleocharinae... 85
Oxypoda orbicollis Casey
(for diagnosis and illustrations, see Klimaszewski et al. 2006, 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, NE NS, ON, QC, SK, YT; USA: WI
New provincial record: Saskatchewan: Cypress Hills, mushroom, pine forest, 49.669°,
-109.4998°, 1196 m, 2.IX.2012 (BGC, LFC) 2 males
Klimaszewski et al. 2005, 2006, 2011, Gouix and Klimaszewski 2007, Majka and
Klimaszewski 2010, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, specimens were found on a mushroom in a
pine forest. In Labrador, specimens were collected using pitfall traps in various conif-
erous, deciduous and mixedwood forest types (Klimaszewski et al. 2011). Elsewhere,
adults were collected in forest litter in deciduous-dominated stands and in balsam fir
forest, as well as in sphagnum moss (Klimaszewski et al. 2006). The adults were col-
lected from June to September.
Oxypoda pseudolacustris Klimaszewski
(for diagnosis and illustrations, see Klimaszewski et al. 2006, 2011)
Distribution.
Origin Nearctic
Distribution | Canada: AB, NB, NE NS, ON, QC, SK
New provincial record: Saskatchewan: Prince Albert, aspen stand, 54.7217°,
-105.6896°, 484 m, 5.VI.2013 (BGC) 1 female.
Klimaszewski et al. 2005, 2006, 2011, Gouix and Klimaszewski 2007, Majka and
Klimaszewski 2010, Bousquet et al. 2013
New records
References
Natural history. In Saskatchewan, adults were captured in an aspen stand. In
Newfoundland, adults were reared from the boles of dead balsam fir, collected with
pitfall traps in fir forests and collected from coastal sand dunes (Klimaszewski et al.
2011). Elsewhere, adults were collected mostly from sphagnum moss near small bod-
ies of water, other moss, forest litter in coniferous and deciduous forests and organic
litter in alpine and subalpine habitats. Most adults were collected from May through
October, with some records from November and December (details in Klimaszewski
et al. 2006).
86
Jan Klimaszewski et al. / ZooKeys 498: 51-91 (2015)
PLACUSINI Mulsant & Rey
Placusa incompleta Sjéberg
(for diagnosis and illustrations, see Klimaszewski et al. 2001, 2011)
Distribution.
Origin
Palaearctic, adventive in North America; possibly introduced separately in eastern
Canada and western WA
Distribution
New records
Canada: AB, BC, NB, NE, NS, QC; USA: WA; Palaearctic: Europe
New provincial records: Alberta: c. 100 km NW of Peace River, Blk C14, white
spruce gridled in 2010, 56.707°, -118.778°, 24.VIII.2011 (NoFC) 1 female; EMEND
compartment 898, white spruce log in early decay stage, 56.759°, -118.399°, 826.3
m, 10.VII.2010 (NoFC) 2 females; EMEND compartment 889, white spruce snag,
56.7498°, -118.4188°, 27.VII.2010 (NoFC) 1 female; EMEND compartment 892,
white spruce snag, 56.7506°, -118.4001°, 781.1 m, 10.VII.2010 (NoFC) 1 female;
EMEND compartment 919, white spruce snag, 56.7954°, -118.3610°, 714.3 m,
18.VI.2010 (NoFC) 1 female; EMEND compartment 920, white spruce snag,
56.7906°, -118.3740°, 10.VII.2010 (NoFC) 1 female; EMEND compartment 920,
white spruce gridled in 2009, 56.7921°, -118.3737°, 17.I[X.2009 (NoFC) 1 female
References
Klimaszewski et al. 2001, 2011, Bousquet et al. 2013
Natural history. In Alberta, adults were collected from dead or dying white spruce
in aggregated retention patches surrounded by different levels of dispersed retention,
using emergence traps and window traps. Elsewhere, adults were found in various
deciduous and coniferous forests, using a pit-light trap and ethanol-baited Lindgren
funnel traps (Klimaszewski et al. 2001, 2011). The adults in northwestern Alberta were
collected from June to September.
Placusa pseudosuecica Klimaszewski
(for diagnosis and illustrations, see Klimaszewski et al. 2001)
Distribution.
Origin
Nearctic
Distribution
Canada: AB, BC, QC, ON
New provincial records: Alberta: c. 100 km NW of Peace River, Blk C31, white spruce
New records
snag, 56.697°, -118.652°, 13.VH.2010 (NoFC) 1 female; Blk C14, white spruce gridled
in 2010, 56.686°, -118.643°, 5.VIII.2011 (NoFC) 1 female; Blk C14, white spruce
girdled in 2010, 56.712°, -118.779°, 16.VIII.2010 (NoFC) 1 female; Blk 79A, white
spruce girdled in 2010, 56.688°, -118.605°, 14.VH.2010 (NoFC) 1 female; EMEND
compartment 920, white spruce girdled in 2009, 56.7908°, -118.3738°, 18.VII.2009
(NoFC) 1 female; EMEND compartment 929, white spruce girdled in 2009, 56.8024°,
-118.3226°, 29.VII.2010 (NoFC) 1 female; EMEND compartment 933, white spruce
girdled in 2009, 56.8058°, -118.3324°, 17.VII.2009 (NoFC) 1 female
References
Klimaszewski et al. 2001, Bousquet et al. 2013
New distribution records for Canadian Aleocharinae... 87
Natural history. In Alberta, adults were collected from dead or dying white spruce
in aggregated retention patches surrounded by different levels of dispersed retention,
using window traps. Elsewhere, adults were found in mature coniferous forests, using
pit-light traps and ethanol-baited Lindgren funnel traps (Klimaszewski et al. 2011).
The adults were collected in July and August.
Placusa tachyporoides (Waltl)
(for diagnosis and illustrations, see Klimaszewski et al. 2001)
Distribution.
Origin Palaearctic, adventive in North America
Canada: AB, BC, NB, NS, QC, ON; Palaearctic: Europe, the Mediterranean, Caucasus,
Siberia, Japan
New provincial record: Alberta: c. 90 km NW of Peace River, EMEND compartment
New records | 918, white spruce logs, 56.792°, -118.364°, 757.8 m, 14.VI.2010 (NoFC) 2 males and
1 female in early decay stage and 1 female in intermediate decay stage
References Klimaszewski et al. 2001, Bousquet et al. 2013
Distribution
Natural history. In Alberta, adults were reared from white spruce logs in early
and intermediate decay stages in white spruce dominated stands. Elsewhere, adults
were found in various deciduous and coniferous forests, using a flight intercept trap,
ethanol-baited Lindgren funnel traps, pit-light traps, and pitfall traps.
Acknowledgements
We thank Pamela Cheers, English Editor (LFC), who edited the first draft of the man-
uscript, and Diane Paquet (LFC) for formatting it. This research was supported by
Natural Resources Canada. The second author thanks Ron Chambers for his support
in the collection of the Northwest Territories samples.
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